/*******************************************************************************
**
** Function L2CA_UCDSetTxPriority
**
** Description Sets the transmission priority for a connectionless channel.
**
** Returns TRUE if a valid channel, else FALSE
**
*******************************************************************************/
BOOLEAN L2CA_UCDSetTxPriority ( BD_ADDR rem_bda, tL2CAP_CHNL_PRIORITY priority )
{
tL2C_LCB *p_lcb;
tL2C_CCB *p_ccb;
L2CAP_TRACE_API ("L2CA_UCDSetTxPriority() priority: 0x%02x BDA: %08x%04x", priority,
(rem_bda[0] << 24) + (rem_bda[1] << 16) + (rem_bda[2] << 8) + rem_bda[3],
(rem_bda[4] << 8) + rem_bda[5]);
if ((p_lcb = l2cu_find_lcb_by_bd_addr (rem_bda, BT_TRANSPORT_BR_EDR)) == NULL) {
L2CAP_TRACE_WARNING ("L2CAP - no LCB for L2CA_UCDSetTxPriority");
return (FALSE);
}
/* Find the channel control block */
if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, L2CAP_CONNECTIONLESS_CID)) == NULL) {
L2CAP_TRACE_WARNING ("L2CAP - no CCB for L2CA_UCDSetTxPriority");
return (FALSE);
}
/* it will update the order of CCB in LCB by priority and update round robin service variables */
l2cu_change_pri_ccb (p_ccb, priority);
return (TRUE);
}
/*******************************************************************************
**
** Function L2CA_UcdDiscover
**
** Description Discover UCD of remote device.
**
** Parameters: PSM
** BD_ADDR of remote device
** info_type : L2CAP_UCD_INFO_TYPE_RECEPTION
** L2CAP_UCD_INFO_TYPE_MTU
**
**
** Return value: TRUE if successs
**
*******************************************************************************/
BOOLEAN L2CA_UcdDiscover ( UINT16 psm, BD_ADDR rem_bda, UINT8 info_type )
{
tL2C_LCB *p_lcb;
tL2C_CCB *p_ccb;
tL2C_RCB *p_rcb;
L2CAP_TRACE_API ("L2CA_UcdDiscover() PSM: 0x%04x BDA: %08x%04x, InfoType=0x%02x", psm,
(rem_bda[0] << 24) + (rem_bda[1] << 16) + (rem_bda[2] << 8) + rem_bda[3],
(rem_bda[4] << 8) + rem_bda[5], info_type);
/* Fail if the PSM is not registered */
if (((p_rcb = l2cu_find_rcb_by_psm (psm)) == NULL)
|| ( p_rcb->ucd.state == L2C_UCD_STATE_UNUSED )) {
L2CAP_TRACE_WARNING ("L2CAP - no RCB for L2CA_UcdDiscover, PSM: 0x%04x", psm);
return (FALSE);
}
/* First, see if we already have a link to the remote */
/* then find the channel control block for UCD. */
if (((p_lcb = l2cu_find_lcb_by_bd_addr (rem_bda, BT_TRANSPORT_BR_EDR)) == NULL)
|| ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, L2CAP_CONNECTIONLESS_CID)) == NULL)) {
if ( l2c_ucd_connect (rem_bda) == FALSE ) {
return (FALSE);
}
}
/* set waiting flags in rcb */
if ( info_type & L2CAP_UCD_INFO_TYPE_RECEPTION ) {
p_rcb->ucd.state |= L2C_UCD_STATE_W4_RECEPTION;
}
if ( info_type & L2CAP_UCD_INFO_TYPE_MTU ) {
p_rcb->ucd.state |= L2C_UCD_STATE_W4_MTU;
}
/* if link is already established */
if ((p_lcb) && (p_lcb->link_state == LST_CONNECTED)) {
if (!p_ccb) {
p_ccb = l2cu_find_ccb_by_cid (p_lcb, L2CAP_CONNECTIONLESS_CID);
}
l2c_ucd_check_pending_info_req(p_ccb);
}
return (TRUE);
}
/*******************************************************************************
**
** Function l2c_data_write
**
** Description API functions call this function to write data.
**
** Returns L2CAP_DW_SUCCESS, if data accepted, else FALSE
** L2CAP_DW_CONGESTED, if data accepted and the channel is congested
** L2CAP_DW_FAILED, if error
**
*******************************************************************************/
UINT8 l2c_data_write (UINT16 cid, BT_HDR *p_data, UINT16 flags)
{
tL2C_CCB *p_ccb;
/* Find the channel control block. We don't know the link it is on. */
if ((p_ccb = l2cu_find_ccb_by_cid (NULL, cid)) == NULL)
{
L2CAP_TRACE_WARNING1 ("L2CAP - no CCB for L2CA_DataWrite, CID: %d", cid);
GKI_freebuf (p_data);
return (L2CAP_DW_FAILED);
}
#ifndef TESTER /* Tester may send any amount of data. otherwise sending message
bigger than mtu size of peer is a violation of protocol */
if (p_data->len > p_ccb->peer_cfg.mtu)
{
L2CAP_TRACE_WARNING1 ("L2CAP - CID: 0x%04x cannot send message bigger than peer's mtu size", cid);
GKI_freebuf (p_data);
return (L2CAP_DW_FAILED);
}
#endif
/* channel based, packet based flushable or non-flushable */
p_data->layer_specific = flags;
/* If already congested, do not accept any more packets */
if (p_ccb->cong_sent)
{
L2CAP_TRACE_ERROR3 ("L2CAP - CID: 0x%04x cannot send, already congested xmit_hold_q.count: %u buff_quota: %u",
p_ccb->local_cid, p_ccb->xmit_hold_q.count, p_ccb->buff_quota);
GKI_freebuf (p_data);
return (L2CAP_DW_FAILED);
}
l2c_csm_execute (p_ccb, L2CEVT_L2CA_DATA_WRITE, p_data);
if (p_ccb->cong_sent)
return (L2CAP_DW_CONGESTED);
return (L2CAP_DW_SUCCESS);
}
/*******************************************************************************
**
** Function L2CA_UcdSetIdleTimeout
**
** Description Set UCD Idle timeout.
**
** Parameters: BD Addr
** Timeout in second
**
** Return value: TRUE if successs
**
*******************************************************************************/
BOOLEAN L2CA_UcdSetIdleTimeout ( BD_ADDR rem_bda, UINT16 timeout )
{
tL2C_LCB *p_lcb;
tL2C_CCB *p_ccb;
L2CAP_TRACE_API ("L2CA_UcdSetIdleTimeout() Timeout: 0x%04x BDA: %08x%04x", timeout,
(rem_bda[0] << 24) + (rem_bda[1] << 16) + (rem_bda[2] << 8) + rem_bda[3],
(rem_bda[4] << 8) + rem_bda[5]);
/* First, see if we already have a link to the remote */
/* then find the channel control block. */
if (((p_lcb = l2cu_find_lcb_by_bd_addr (rem_bda, BT_TRANSPORT_BR_EDR)) == NULL)
|| ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, L2CAP_CONNECTIONLESS_CID)) == NULL)) {
L2CAP_TRACE_WARNING ("L2CAP - no UCD channel");
return (FALSE);
} else {
p_ccb->fixed_chnl_idle_tout = timeout;
return (TRUE);
}
}
/*******************************************************************************
**
** Function l2c_ucd_connect
**
** Description Connect UCD to remote device.
**
** Parameters: BD_ADDR of remote device
**
** Return value: TRUE if successs
**
*******************************************************************************/
static BOOLEAN l2c_ucd_connect ( BD_ADDR rem_bda )
{
tL2C_LCB *p_lcb;
tL2C_CCB *p_ccb;
tL2C_RCB *p_rcb;
L2CAP_TRACE_DEBUG ("l2c_ucd_connect() BDA: %08x%04x",
(rem_bda[0] << 24) + (rem_bda[1] << 16) + (rem_bda[2] << 8) + rem_bda[3],
(rem_bda[4] << 8) + rem_bda[5]);
/* Fail if we have not established communications with the controller */
if (!BTM_IsDeviceUp()) {
L2CAP_TRACE_WARNING ("l2c_ucd_connect - BTU not ready");
return (FALSE);
}
/* First, see if we already have a link to the remote */
if ((p_lcb = l2cu_find_lcb_by_bd_addr (rem_bda, BT_TRANSPORT_BR_EDR)) == NULL) {
/* No link. Get an LCB and start link establishment */
if ( ((p_lcb = l2cu_allocate_lcb (rem_bda, FALSE, BT_TRANSPORT_BR_EDR)) == NULL)
|| (l2cu_create_conn(p_lcb, BT_TRANSPORT_BR_EDR) == FALSE) ) {
L2CAP_TRACE_WARNING ("L2CAP - conn not started l2c_ucd_connect");
return (FALSE);
}
} else if ( p_lcb->info_rx_bits & (1 << L2CAP_EXTENDED_FEATURES_INFO_TYPE) ) {
if (!(p_lcb->peer_ext_fea & L2CAP_EXTFEA_UCD_RECEPTION)) {
L2CAP_TRACE_WARNING ("L2CAP - UCD is not supported by peer, l2c_ucd_connect");
return (FALSE);
}
}
/* Find the channel control block. */
if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, L2CAP_CONNECTIONLESS_CID)) == NULL) {
/* Allocate a channel control block */
if ((p_ccb = l2cu_allocate_ccb (p_lcb, 0)) == NULL) {
L2CAP_TRACE_WARNING ("L2CAP - no CCB for l2c_ucd_connect");
return (FALSE);
} else {
/* Set CID for the connection */
p_ccb->local_cid = L2CAP_CONNECTIONLESS_CID;
p_ccb->remote_cid = L2CAP_CONNECTIONLESS_CID;
/* Set the default idle timeout value to use */
p_ccb->fixed_chnl_idle_tout = L2CAP_UCD_IDLE_TIMEOUT;
/* Set the default channel priority value to use */
l2cu_change_pri_ccb (p_ccb, L2CAP_UCD_CH_PRIORITY);
if ((p_rcb = l2cu_find_rcb_by_psm (L2C_UCD_RCB_ID)) == NULL) {
L2CAP_TRACE_WARNING ("L2CAP - no UCD registered, l2c_ucd_connect");
return (FALSE);
}
/* Save UCD registration info */
p_ccb->p_rcb = p_rcb;
/* There is no configuration, so if the link is up, the channel is up */
if (p_lcb->link_state == LST_CONNECTED) {
p_ccb->chnl_state = CST_OPEN;
}
}
}
return (TRUE);
}
/*******************************************************************************
**
** Function L2CA_UcdDataWrite
**
** Description Send UCD to remote device
**
** Parameters: PSM
** BD Address of remote
** Pointer to buffer of type BT_HDR
** flags : L2CAP_FLUSHABLE_CH_BASED
** L2CAP_FLUSHABLE_PKT
** L2CAP_NON_FLUSHABLE_PKT
**
** Return value L2CAP_DW_SUCCESS, if data accepted
** L2CAP_DW_FAILED, if error
**
*******************************************************************************/
UINT16 L2CA_UcdDataWrite (UINT16 psm, BD_ADDR rem_bda, BT_HDR *p_buf, UINT16 flags)
{
tL2C_LCB *p_lcb;
tL2C_CCB *p_ccb;
tL2C_RCB *p_rcb;
UINT8 *p;
L2CAP_TRACE_API ("L2CA_UcdDataWrite() PSM: 0x%04x BDA: %08x%04x", psm,
(rem_bda[0] << 24) + (rem_bda[1] << 16) + (rem_bda[2] << 8) + rem_bda[3],
(rem_bda[4] << 8) + rem_bda[5]);
/* Fail if the PSM is not registered */
if (((p_rcb = l2cu_find_rcb_by_psm (psm)) == NULL)
|| ( p_rcb->ucd.state == L2C_UCD_STATE_UNUSED )) {
L2CAP_TRACE_WARNING ("L2CAP - no RCB for L2CA_UcdDataWrite, PSM: 0x%04x", psm);
osi_free (p_buf);
return (L2CAP_DW_FAILED);
}
/* First, see if we already have a link to the remote */
/* then find the channel control block for UCD */
if (((p_lcb = l2cu_find_lcb_by_bd_addr (rem_bda, BT_TRANSPORT_BR_EDR)) == NULL)
|| ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, L2CAP_CONNECTIONLESS_CID)) == NULL)) {
if ( l2c_ucd_connect (rem_bda) == FALSE ) {
osi_free (p_buf);
return (L2CAP_DW_FAILED);
}
/* If we still don't have lcb and ccb after connect attempt, then can't proceed */
if (((p_lcb = l2cu_find_lcb_by_bd_addr (rem_bda, BT_TRANSPORT_BR_EDR)) == NULL)
|| ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, L2CAP_CONNECTIONLESS_CID)) == NULL)) {
osi_free (p_buf);
return (L2CAP_DW_FAILED);
}
}
/* write PSM */
p_buf->offset -= L2CAP_UCD_OVERHEAD;
p_buf->len += L2CAP_UCD_OVERHEAD;
p = (UINT8 *)(p_buf + 1) + p_buf->offset;
UINT16_TO_STREAM (p, psm);
/* UCD MTU check */
if ((p_lcb->ucd_mtu) && (p_buf->len > p_lcb->ucd_mtu)) {
L2CAP_TRACE_WARNING ("L2CAP - Handle: 0x%04x UCD bigger than peer's UCD mtu size cannot be sent", p_lcb->handle);
osi_free (p_buf);
return (L2CAP_DW_FAILED);
}
/* If already congested, do not accept any more packets */
if (p_ccb->cong_sent) {
L2CAP_TRACE_ERROR ("L2CAP - Handle: 0x%04x UCD cannot be sent, already congested count: %u buff_quota: %u",
p_lcb->handle,
(fixed_queue_length(p_ccb->xmit_hold_q) +
fixed_queue_length(p_lcb->ucd_out_sec_pending_q)),
p_ccb->buff_quota);
osi_free (p_buf);
return (L2CAP_DW_FAILED);
}
/* channel based, packet based flushable or non-flushable */
p_buf->layer_specific = flags;
l2c_csm_execute (p_ccb, L2CEVT_L2CA_DATA_WRITE, p_buf);
if (p_ccb->cong_sent) {
return (L2CAP_DW_CONGESTED);
} else {
return (L2CAP_DW_SUCCESS);
}
}
/*******************************************************************************
**
** Function process_l2cap_cmd
**
** Description This function is called when a packet is received on the
** L2CAP signalling CID
**
** Returns void
**
*******************************************************************************/
static void process_l2cap_cmd (tL2C_LCB *p_lcb, UINT8 *p, UINT16 pkt_len)
{
UINT8 *p_pkt_end, *p_next_cmd, *p_cfg_end, *p_cfg_start;
UINT8 cmd_code, cfg_code, cfg_len, id;
tL2C_CONN_INFO con_info;
tL2CAP_CFG_INFO cfg_info;
UINT16 rej_reason, rej_mtu, lcid, rcid, info_type;
tL2C_CCB *p_ccb;
tL2C_RCB *p_rcb;
BOOLEAN cfg_rej;
UINT16 cfg_rej_len, cmd_len;
UINT16 result;
tL2C_CONN_INFO ci;
#if (defined BLE_INCLUDED && BLE_INCLUDED == TRUE)
/* if l2cap command received in CID 1 on top of an LE link, ignore this command */
if (p_lcb->is_ble_link)
return;
#endif
p_next_cmd = p;
p_pkt_end = p + pkt_len;
memset (&cfg_info, 0, sizeof(cfg_info));
/* An L2CAP packet may contain multiple commands */
while (TRUE)
{
/* Smallest command is 4 bytes */
if ((p = p_next_cmd) > (p_pkt_end - 4))
break;
STREAM_TO_UINT8 (cmd_code, p);
STREAM_TO_UINT8 (id, p);
STREAM_TO_UINT16 (cmd_len, p);
if(cmd_len > GKI_BUF2_SIZE)
{
L2CAP_TRACE_WARNING0 ("L2CAP - Invalid MTU Size");
l2cu_send_peer_cmd_reject (p_lcb, L2CAP_CMD_REJ_MTU_EXCEEDED, id, 0, 0);
return;
}
/* Check command length does not exceed packet length */
if ((p_next_cmd = p + cmd_len) > p_pkt_end)
{
L2CAP_TRACE_WARNING3 ("Command len bad pkt_len: %d cmd_len: %d code: %d",
pkt_len, cmd_len, cmd_code);
break;
}
switch (cmd_code)
{
case L2CAP_CMD_REJECT:
STREAM_TO_UINT16 (rej_reason, p);
if (rej_reason == L2CAP_CMD_REJ_MTU_EXCEEDED)
{
STREAM_TO_UINT16 (rej_mtu, p);
/* What to do with the MTU reject ? We have negotiated an MTU. For now */
/* we will ignore it and let a higher protocol timeout take care of it */
L2CAP_TRACE_WARNING2 ("L2CAP - MTU rej Handle: %d MTU: %d", p_lcb->handle, rej_mtu);
}
if (rej_reason == L2CAP_CMD_REJ_INVALID_CID)
{
STREAM_TO_UINT16 (rcid, p);
STREAM_TO_UINT16 (lcid, p);
L2CAP_TRACE_WARNING2 ("L2CAP - rej with CID invalid, LCID: 0x%04x RCID: 0x%04x", lcid, rcid);
/* Remote CID invalid. Treat as a disconnect */
if (((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL)
&& (p_ccb->remote_cid == rcid))
{
/* Fake link disconnect - no reply is generated */
l2c_csm_execute (p_ccb, L2CEVT_LP_DISCONNECT_IND, NULL);
}
}
/* SonyEricsson Info request Bug workaround (Continue connection) */
else if (rej_reason == L2CAP_CMD_REJ_NOT_UNDERSTOOD && p_lcb->w4_info_rsp)
{
btu_stop_timer (&p_lcb->info_timer_entry);
p_lcb->w4_info_rsp = FALSE;
ci.status = HCI_SUCCESS;
memcpy (ci.bd_addr, p_lcb->remote_bd_addr, sizeof(BD_ADDR));
/* For all channels, send the event through their FSMs */
for (p_ccb = p_lcb->ccb_queue.p_first_ccb; p_ccb; p_ccb = p_ccb->p_next_ccb)
{
l2c_csm_execute (p_ccb, L2CEVT_L2CAP_INFO_RSP, &ci);
}
}
break;
case L2CAP_CMD_CONN_REQ:
STREAM_TO_UINT16 (con_info.psm, p);
STREAM_TO_UINT16 (rcid, p);
if ((p_rcb = l2cu_find_rcb_by_psm (con_info.psm)) == NULL)
{
L2CAP_TRACE_WARNING1 ("L2CAP - rcvd conn req for unknown PSM: %d", con_info.psm);
l2cu_reject_connection (p_lcb, rcid, id, L2CAP_CONN_NO_PSM);
break;
}
else
{
if (!p_rcb->api.pL2CA_ConnectInd_Cb)
{
L2CAP_TRACE_WARNING1 ("L2CAP - rcvd conn req for outgoing-only connection PSM: %d", con_info.psm);
l2cu_reject_connection (p_lcb, rcid, id, L2CAP_CONN_NO_PSM);
break;
}
}
if ((p_ccb = l2cu_allocate_ccb (p_lcb, 0)) == NULL)
{
L2CAP_TRACE_ERROR0 ("L2CAP - unable to allocate CCB");
l2cu_reject_connection (p_lcb, rcid, id, L2CAP_CONN_NO_RESOURCES);
break;
}
p_ccb->remote_id = id;
p_ccb->p_rcb = p_rcb;
p_ccb->remote_cid = rcid;
l2c_csm_execute(p_ccb, L2CEVT_L2CAP_CONNECT_REQ, &con_info);
break;
case L2CAP_CMD_CONN_RSP:
STREAM_TO_UINT16 (con_info.remote_cid, p);
STREAM_TO_UINT16 (lcid, p);
STREAM_TO_UINT16 (con_info.l2cap_result, p);
STREAM_TO_UINT16 (con_info.l2cap_status, p);
if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) == NULL)
{
L2CAP_TRACE_WARNING2 ("L2CAP - no CCB for conn rsp, LCID: %d RCID: %d",
lcid, con_info.remote_cid);
break;
}
if (p_ccb->local_id != id)
{
L2CAP_TRACE_WARNING2 ("L2CAP - con rsp - bad ID. Exp: %d Got: %d",
p_ccb->local_id, id);
break;
}
if (con_info.l2cap_result == L2CAP_CONN_OK)
l2c_csm_execute(p_ccb, L2CEVT_L2CAP_CONNECT_RSP, &con_info);
else if (con_info.l2cap_result == L2CAP_CONN_PENDING)
l2c_csm_execute(p_ccb, L2CEVT_L2CAP_CONNECT_RSP_PND, &con_info);
else
l2c_csm_execute(p_ccb, L2CEVT_L2CAP_CONNECT_RSP_NEG, &con_info);
break;
case L2CAP_CMD_CONFIG_REQ:
p_cfg_end = p + cmd_len;
cfg_rej = FALSE;
cfg_rej_len = 0;
STREAM_TO_UINT16 (lcid, p);
STREAM_TO_UINT16 (cfg_info.flags, p);
p_cfg_start = p;
cfg_info.flush_to_present = cfg_info.mtu_present = cfg_info.qos_present =
cfg_info.fcr_present = cfg_info.fcs_present = FALSE;
while (p < p_cfg_end)
{
STREAM_TO_UINT8 (cfg_code, p);
STREAM_TO_UINT8 (cfg_len, p);
switch (cfg_code & 0x7F)
{
case L2CAP_CFG_TYPE_MTU:
cfg_info.mtu_present = TRUE;
STREAM_TO_UINT16 (cfg_info.mtu, p);
break;
case L2CAP_CFG_TYPE_FLUSH_TOUT:
cfg_info.flush_to_present = TRUE;
STREAM_TO_UINT16 (cfg_info.flush_to, p);
break;
case L2CAP_CFG_TYPE_QOS:
cfg_info.qos_present = TRUE;
STREAM_TO_UINT8 (cfg_info.qos.qos_flags, p);
STREAM_TO_UINT8 (cfg_info.qos.service_type, p);
STREAM_TO_UINT32 (cfg_info.qos.token_rate, p);
STREAM_TO_UINT32 (cfg_info.qos.token_bucket_size, p);
STREAM_TO_UINT32 (cfg_info.qos.peak_bandwidth, p);
STREAM_TO_UINT32 (cfg_info.qos.latency, p);
STREAM_TO_UINT32 (cfg_info.qos.delay_variation, p);
break;
case L2CAP_CFG_TYPE_FCR:
cfg_info.fcr_present = TRUE;
STREAM_TO_UINT8 (cfg_info.fcr.mode, p);
STREAM_TO_UINT8 (cfg_info.fcr.tx_win_sz, p);
STREAM_TO_UINT8 (cfg_info.fcr.max_transmit, p);
STREAM_TO_UINT16 (cfg_info.fcr.rtrans_tout, p);
STREAM_TO_UINT16 (cfg_info.fcr.mon_tout, p);
STREAM_TO_UINT16 (cfg_info.fcr.mps, p);
break;
case L2CAP_CFG_TYPE_FCS:
cfg_info.fcs_present = TRUE;
STREAM_TO_UINT8 (cfg_info.fcs, p);
break;
case L2CAP_CFG_TYPE_EXT_FLOW:
cfg_info.ext_flow_spec_present = TRUE;
STREAM_TO_UINT8 (cfg_info.ext_flow_spec.id, p);
STREAM_TO_UINT8 (cfg_info.ext_flow_spec.stype, p);
STREAM_TO_UINT16 (cfg_info.ext_flow_spec.max_sdu_size, p);
STREAM_TO_UINT32 (cfg_info.ext_flow_spec.sdu_inter_time, p);
STREAM_TO_UINT32 (cfg_info.ext_flow_spec.access_latency, p);
STREAM_TO_UINT32 (cfg_info.ext_flow_spec.flush_timeout, p);
break;
default:
/* sanity check option length */
if ((cfg_len + L2CAP_CFG_OPTION_OVERHEAD) <= cmd_len)
{
p += cfg_len;
if ((cfg_code & 0x80) == 0)
{
cfg_rej_len += cfg_len + L2CAP_CFG_OPTION_OVERHEAD;
cfg_rej = TRUE;
}
}
/* bad length; force loop exit */
else
{
p = p_cfg_end;
cfg_rej = TRUE;
}
break;
}
}
if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL)
{
p_ccb->remote_id = id;
if (cfg_rej)
{
l2cu_send_peer_config_rej (p_ccb, p_cfg_start, (UINT16) (cmd_len - L2CAP_CONFIG_REQ_LEN), cfg_rej_len);
}
else
{
l2c_csm_execute (p_ccb, L2CEVT_L2CAP_CONFIG_REQ, &cfg_info);
}
}
else
{
/* updated spec says send command reject on invalid cid */
l2cu_send_peer_cmd_reject (p_lcb, L2CAP_CMD_REJ_INVALID_CID, id, 0, 0);
}
break;
case L2CAP_CMD_CONFIG_RSP:
p_cfg_end = p + cmd_len;
STREAM_TO_UINT16 (lcid, p);
STREAM_TO_UINT16 (cfg_info.flags, p);
STREAM_TO_UINT16 (cfg_info.result, p);
cfg_info.flush_to_present = cfg_info.mtu_present = cfg_info.qos_present =
cfg_info.fcr_present = cfg_info.fcs_present = FALSE;
while (p < p_cfg_end)
{
STREAM_TO_UINT8 (cfg_code, p);
STREAM_TO_UINT8 (cfg_len, p);
switch (cfg_code & 0x7F)
{
case L2CAP_CFG_TYPE_MTU:
cfg_info.mtu_present = TRUE;
STREAM_TO_UINT16 (cfg_info.mtu, p);
break;
case L2CAP_CFG_TYPE_FLUSH_TOUT:
cfg_info.flush_to_present = TRUE;
STREAM_TO_UINT16 (cfg_info.flush_to, p);
break;
case L2CAP_CFG_TYPE_QOS:
cfg_info.qos_present = TRUE;
STREAM_TO_UINT8 (cfg_info.qos.qos_flags, p);
STREAM_TO_UINT8 (cfg_info.qos.service_type, p);
STREAM_TO_UINT32 (cfg_info.qos.token_rate, p);
STREAM_TO_UINT32 (cfg_info.qos.token_bucket_size, p);
STREAM_TO_UINT32 (cfg_info.qos.peak_bandwidth, p);
STREAM_TO_UINT32 (cfg_info.qos.latency, p);
STREAM_TO_UINT32 (cfg_info.qos.delay_variation, p);
break;
case L2CAP_CFG_TYPE_FCR:
cfg_info.fcr_present = TRUE;
STREAM_TO_UINT8 (cfg_info.fcr.mode, p);
STREAM_TO_UINT8 (cfg_info.fcr.tx_win_sz, p);
STREAM_TO_UINT8 (cfg_info.fcr.max_transmit, p);
STREAM_TO_UINT16 (cfg_info.fcr.rtrans_tout, p);
STREAM_TO_UINT16 (cfg_info.fcr.mon_tout, p);
STREAM_TO_UINT16 (cfg_info.fcr.mps, p);
break;
case L2CAP_CFG_TYPE_FCS:
cfg_info.fcs_present = TRUE;
STREAM_TO_UINT8 (cfg_info.fcs, p);
break;
case L2CAP_CFG_TYPE_EXT_FLOW:
cfg_info.ext_flow_spec_present = TRUE;
STREAM_TO_UINT8 (cfg_info.ext_flow_spec.id, p);
STREAM_TO_UINT8 (cfg_info.ext_flow_spec.stype, p);
STREAM_TO_UINT16 (cfg_info.ext_flow_spec.max_sdu_size, p);
STREAM_TO_UINT32 (cfg_info.ext_flow_spec.sdu_inter_time, p);
STREAM_TO_UINT32 (cfg_info.ext_flow_spec.access_latency, p);
STREAM_TO_UINT32 (cfg_info.ext_flow_spec.flush_timeout, p);
break;
}
}
if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL)
{
if (p_ccb->local_id != id)
{
L2CAP_TRACE_WARNING2 ("L2CAP - cfg rsp - bad ID. Exp: %d Got: %d",
p_ccb->local_id, id);
break;
}
if ( (cfg_info.result == L2CAP_CFG_OK) || (cfg_info.result == L2CAP_CFG_PENDING) )
l2c_csm_execute (p_ccb, L2CEVT_L2CAP_CONFIG_RSP, &cfg_info);
else
l2c_csm_execute (p_ccb, L2CEVT_L2CAP_CONFIG_RSP_NEG, &cfg_info);
}
else
{
L2CAP_TRACE_WARNING1 ("L2CAP - rcvd cfg rsp for unknown CID: 0x%04x", lcid);
}
break;
case L2CAP_CMD_DISC_REQ:
STREAM_TO_UINT16 (lcid, p);
STREAM_TO_UINT16 (rcid, p);
if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL)
{
if (p_ccb->remote_cid == rcid)
{
p_ccb->remote_id = id;
l2c_csm_execute (p_ccb, L2CEVT_L2CAP_DISCONNECT_REQ, &con_info);
}
}
else
l2cu_send_peer_disc_rsp (p_lcb, id, lcid, rcid);
break;
case L2CAP_CMD_DISC_RSP:
STREAM_TO_UINT16 (rcid, p);
STREAM_TO_UINT16 (lcid, p);
if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, lcid)) != NULL)
{
if ((p_ccb->remote_cid == rcid) && (p_ccb->local_id == id))
{
l2c_csm_execute (p_ccb, L2CEVT_L2CAP_DISCONNECT_RSP, &con_info);
}
}
break;
case L2CAP_CMD_ECHO_REQ:
l2cu_send_peer_echo_rsp (p_lcb, id, p, cmd_len);
break;
case L2CAP_CMD_ECHO_RSP:
if (p_lcb->p_echo_rsp_cb)
{
tL2CA_ECHO_RSP_CB *p_cb = p_lcb->p_echo_rsp_cb;
/* Zero out the callback in case app immediately calls us again */
p_lcb->p_echo_rsp_cb = NULL;
(*p_cb) (L2CAP_PING_RESULT_OK);
}
break;
case L2CAP_CMD_INFO_REQ:
STREAM_TO_UINT16 (info_type, p);
l2cu_send_peer_info_rsp (p_lcb, id, info_type);
break;
case L2CAP_CMD_INFO_RSP:
/* Stop the link connect timer if sent before L2CAP connection is up */
if (p_lcb->w4_info_rsp)
{
btu_stop_timer (&p_lcb->info_timer_entry);
p_lcb->w4_info_rsp = FALSE;
}
STREAM_TO_UINT16 (info_type, p);
STREAM_TO_UINT16 (result, p);
p_lcb->info_rx_bits |= (1 << info_type);
if ( (info_type == L2CAP_EXTENDED_FEATURES_INFO_TYPE)
&& (result == L2CAP_INFO_RESP_RESULT_SUCCESS) )
{
STREAM_TO_UINT32( p_lcb->peer_ext_fea, p );
#if (L2CAP_NUM_FIXED_CHNLS > 0)
if (p_lcb->peer_ext_fea & L2CAP_EXTFEA_FIXED_CHNLS)
{
l2cu_send_peer_info_req (p_lcb, L2CAP_FIXED_CHANNELS_INFO_TYPE);
break;
}
else
{
l2cu_process_fixed_chnl_resp (p_lcb);
}
#endif
}
#if (L2CAP_NUM_FIXED_CHNLS > 0)
if (info_type == L2CAP_FIXED_CHANNELS_INFO_TYPE)
{
if (result == L2CAP_INFO_RESP_RESULT_SUCCESS)
{
memcpy (p_lcb->peer_chnl_mask, p, L2CAP_FIXED_CHNL_ARRAY_SIZE);
}
l2cu_process_fixed_chnl_resp (p_lcb);
}
#endif
#if (L2CAP_UCD_INCLUDED == TRUE)
else if (info_type == L2CAP_CONNLESS_MTU_INFO_TYPE)
{
if (result == L2CAP_INFO_RESP_RESULT_SUCCESS)
{
STREAM_TO_UINT16 (p_lcb->ucd_mtu, p);
}
}
#endif
ci.status = HCI_SUCCESS;
memcpy (ci.bd_addr, p_lcb->remote_bd_addr, sizeof(BD_ADDR));
for (p_ccb = p_lcb->ccb_queue.p_first_ccb; p_ccb; p_ccb = p_ccb->p_next_ccb)
{
l2c_csm_execute (p_ccb, L2CEVT_L2CAP_INFO_RSP, &ci);
}
break;
default:
L2CAP_TRACE_WARNING1 ("L2CAP - bad cmd code: %d", cmd_code);
l2cu_send_peer_cmd_reject (p_lcb, L2CAP_CMD_REJ_NOT_UNDERSTOOD, id, 0, 0);
return;
}
}
}
/*******************************************************************************
**
** Function l2c_rcv_acl_data
**
** Description This function is called from the HCI Interface when an ACL
** data packet is received.
**
** Returns void
**
*******************************************************************************/
void l2c_rcv_acl_data (BT_HDR *p_msg)
{
UINT8 *p = (UINT8 *)(p_msg + 1) + p_msg->offset;
UINT16 handle, hci_len;
UINT8 pkt_type;
tL2C_LCB *p_lcb;
tL2C_CCB *p_ccb = NULL;
UINT16 l2cap_len, rcv_cid, psm;
/* Extract the handle */
STREAM_TO_UINT16 (handle, p);
pkt_type = HCID_GET_EVENT (handle);
handle = HCID_GET_HANDLE (handle);
/* Since the HCI Transport is putting segmented packets back together, we */
/* should never get a valid packet with the type set to "continuation" */
if (pkt_type != L2CAP_PKT_CONTINUE)
{
/* Find the LCB based on the handle */
if ((p_lcb = l2cu_find_lcb_by_handle (handle)) == NULL)
{
UINT8 cmd_code;
/* There is a slight possibility (specifically with USB) that we get an */
/* L2CAP connection request before we get the HCI connection complete. */
/* So for these types of messages, hold them for up to 2 seconds. */
STREAM_TO_UINT16 (hci_len, p);
STREAM_TO_UINT16 (l2cap_len, p);
STREAM_TO_UINT16 (rcv_cid, p);
STREAM_TO_UINT8 (cmd_code, p);
if ((p_msg->layer_specific == 0) && (rcv_cid == L2CAP_SIGNALLING_CID)
&& (cmd_code == L2CAP_CMD_INFO_REQ || cmd_code == L2CAP_CMD_CONN_REQ))
{
L2CAP_TRACE_WARNING5 ("L2CAP - holding ACL for unknown handle:%d ls:%d cid:%d opcode:%d cur count:%d",
handle, p_msg->layer_specific, rcv_cid, cmd_code,
l2cb.rcv_hold_q.count);
p_msg->layer_specific = 2;
GKI_enqueue (&l2cb.rcv_hold_q, p_msg);
if (l2cb.rcv_hold_q.count == 1)
btu_start_timer (&l2cb.rcv_hold_tle, BTU_TTYPE_L2CAP_HOLD, BT_1SEC_TIMEOUT);
return;
}
else
{
L2CAP_TRACE_ERROR5 ("L2CAP - rcvd ACL for unknown handle:%d ls:%d cid:%d opcode:%d cur count:%d",
handle, p_msg->layer_specific, rcv_cid, cmd_code, l2cb.rcv_hold_q.count);
}
GKI_freebuf (p_msg);
return;
}
}
else
{
L2CAP_TRACE_WARNING1 ("L2CAP - expected pkt start or complete, got: %d", pkt_type);
GKI_freebuf (p_msg);
return;
}
/* Extract the length and update the buffer header */
STREAM_TO_UINT16 (hci_len, p);
p_msg->offset += 4;
#if (L2CAP_HOST_FLOW_CTRL == TRUE)
/* Send ack if we hit the threshold */
if (++p_lcb->link_pkts_unacked >= p_lcb->link_ack_thresh)
btu_hcif_send_host_rdy_for_data();
#endif
/* Extract the length and CID */
STREAM_TO_UINT16 (l2cap_len, p);
STREAM_TO_UINT16 (rcv_cid, p);
/* Find the CCB for this CID */
if (rcv_cid >= L2CAP_BASE_APPL_CID)
{
if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, rcv_cid)) == NULL)
{
L2CAP_TRACE_WARNING1 ("L2CAP - unknown CID: 0x%04x", rcv_cid);
GKI_freebuf (p_msg);
return;
}
}
if (hci_len >= L2CAP_PKT_OVERHEAD) /* Must receive at least the L2CAP length and CID.*/
{
p_msg->len = hci_len - L2CAP_PKT_OVERHEAD;
p_msg->offset += L2CAP_PKT_OVERHEAD;
}
else
{
L2CAP_TRACE_WARNING0 ("L2CAP - got incorrect hci header" );
GKI_freebuf (p_msg);
return;
}
if (l2cap_len != p_msg->len)
{
L2CAP_TRACE_WARNING2 ("L2CAP - bad length in pkt. Exp: %d Act: %d",
l2cap_len, p_msg->len);
GKI_freebuf (p_msg);
return;
}
/* Send the data through the channel state machine */
if (rcv_cid == L2CAP_SIGNALLING_CID)
{
process_l2cap_cmd (p_lcb, p, l2cap_len);
GKI_freebuf (p_msg);
}
else if (rcv_cid == L2CAP_CONNECTIONLESS_CID)
{
/* process_connectionless_data (p_lcb); */
STREAM_TO_UINT16 (psm, p);
L2CAP_TRACE_DEBUG1( "GOT CONNECTIONLESS DATA PSM:%d", psm ) ;
#if (TCS_BCST_SETUP_INCLUDED == TRUE && TCS_INCLUDED == TRUE)
if (psm == TCS_PSM_INTERCOM || psm == TCS_PSM_CORDLESS)
{
p_msg->offset += L2CAP_BCST_OVERHEAD;
p_msg->len -= L2CAP_BCST_OVERHEAD;
tcs_proc_bcst_msg( p_lcb->remote_bd_addr, p_msg ) ;
GKI_freebuf (p_msg);
}
else
#endif
#if (L2CAP_UCD_INCLUDED == TRUE)
/* if it is not broadcast, check UCD registration */
if ( l2c_ucd_check_rx_pkts( p_lcb, p_msg ) )
{
/* nothing to do */
}
else
#endif
GKI_freebuf (p_msg);
}
#if (BLE_INCLUDED == TRUE)
else if (rcv_cid == L2CAP_BLE_SIGNALLING_CID)
{
l2cble_process_sig_cmd (p_lcb, p, l2cap_len);
GKI_freebuf (p_msg);
}
#endif
#if (L2CAP_NUM_FIXED_CHNLS > 0)
else if ((rcv_cid >= L2CAP_FIRST_FIXED_CHNL) && (rcv_cid <= L2CAP_LAST_FIXED_CHNL) &&
(l2cb.fixed_reg[rcv_cid - L2CAP_FIRST_FIXED_CHNL].pL2CA_FixedData_Cb != NULL) )
{
/* If no CCB for this channel, allocate one */
if (l2cu_initialize_fixed_ccb (p_lcb, rcv_cid, &l2cb.fixed_reg[rcv_cid - L2CAP_FIRST_FIXED_CHNL].fixed_chnl_opts))
{
p_ccb = p_lcb->p_fixed_ccbs[rcv_cid - L2CAP_FIRST_FIXED_CHNL];
if (p_ccb->peer_cfg.fcr.mode != L2CAP_FCR_BASIC_MODE)
l2c_fcr_proc_pdu (p_ccb, p_msg);
else
(*l2cb.fixed_reg[rcv_cid - L2CAP_FIRST_FIXED_CHNL].pL2CA_FixedData_Cb)(p_lcb->remote_bd_addr, p_msg);
}
else
GKI_freebuf (p_msg);
}
#endif
else
{
if (p_ccb == NULL)
GKI_freebuf (p_msg);
else
{
/* Basic mode packets go straight to the state machine */
if (p_ccb->peer_cfg.fcr.mode == L2CAP_FCR_BASIC_MODE)
l2c_csm_execute (p_ccb, L2CEVT_L2CAP_DATA, p_msg);
else
{
/* eRTM or streaming mode, so we need to validate states first */
if ((p_ccb->chnl_state == CST_OPEN) || (p_ccb->chnl_state == CST_CONFIG))
l2c_fcr_proc_pdu (p_ccb, p_msg);
else
GKI_freebuf (p_msg);
}
}
}
}
/*******************************************************************************
**
** Function l2c_rcv_acl_data
**
** Description This function is called from the HCI Interface when an ACL
** data packet is received.
**
** Returns void
**
*******************************************************************************/
void l2c_rcv_acl_data (BT_HDR *p_msg)
{
UINT8 *p = (UINT8 *)(p_msg + 1) + p_msg->offset;
UINT16 handle, hci_len;
UINT8 pkt_type;
tL2C_LCB *p_lcb;
tL2C_CCB *p_ccb = NULL;
UINT16 l2cap_len, rcv_cid, psm;
/* Extract the handle */
STREAM_TO_UINT16 (handle, p);
pkt_type = HCID_GET_EVENT (handle);
handle = HCID_GET_HANDLE (handle);
/* Since the HCI Transport is putting segmented packets back together, we */
/* should never get a valid packet with the type set to "continuation" */
if (pkt_type != L2CAP_PKT_CONTINUE) {
/* Find the LCB based on the handle */
if ((p_lcb = l2cu_find_lcb_by_handle (handle)) == NULL) {
UINT8 cmd_code;
/* There is a slight possibility (specifically with USB) that we get an */
/* L2CAP connection request before we get the HCI connection complete. */
/* So for these types of messages, hold them for up to 2 seconds. */
STREAM_TO_UINT16 (hci_len, p);
STREAM_TO_UINT16 (l2cap_len, p);
STREAM_TO_UINT16 (rcv_cid, p);
STREAM_TO_UINT8 (cmd_code, p);
if ((p_msg->layer_specific == 0) && (rcv_cid == L2CAP_SIGNALLING_CID)
&& (cmd_code == L2CAP_CMD_INFO_REQ || cmd_code == L2CAP_CMD_CONN_REQ)) {
L2CAP_TRACE_WARNING ("L2CAP - holding ACL for unknown handle:%d ls:%d"
" cid:%d opcode:%d cur count:%d", handle, p_msg->layer_specific,
rcv_cid, cmd_code, list_length(l2cb.rcv_pending_q));
p_msg->layer_specific = 2;
list_append(l2cb.rcv_pending_q, p_msg);
if (list_length(l2cb.rcv_pending_q) == 1) {
btu_start_timer (&l2cb.rcv_hold_tle, BTU_TTYPE_L2CAP_HOLD, BT_1SEC_TIMEOUT);
}
return;
} else {
L2CAP_TRACE_ERROR ("L2CAP - rcvd ACL for unknown handle:%d ls:%d cid:%d"
" opcode:%d cur count:%d", handle, p_msg->layer_specific, rcv_cid,
cmd_code, list_length(l2cb.rcv_pending_q));
}
GKI_freebuf (p_msg);
return;
}
} else {
L2CAP_TRACE_WARNING ("L2CAP - expected pkt start or complete, got: %d", pkt_type);
GKI_freebuf (p_msg);
return;
}
/* Extract the length and update the buffer header */
STREAM_TO_UINT16 (hci_len, p);
p_msg->offset += 4;
/* Extract the length and CID */
STREAM_TO_UINT16 (l2cap_len, p);
STREAM_TO_UINT16 (rcv_cid, p);
#if BLE_INCLUDED == TRUE
/* for BLE channel, always notify connection when ACL data received on the link */
if (p_lcb && p_lcb->transport == BT_TRANSPORT_LE && p_lcb->link_state != LST_DISCONNECTING)
/* only process fixed channel data as channel open indication when link is not in disconnecting mode */
{
l2cble_notify_le_connection(p_lcb->remote_bd_addr);
}
#endif
L2CAP_TRACE_DEBUG ("L2CAP - rcv_cid CID: 0x%04x\n", rcv_cid);
/* Find the CCB for this CID */
if (rcv_cid >= L2CAP_BASE_APPL_CID) {
if ((p_ccb = l2cu_find_ccb_by_cid (p_lcb, rcv_cid)) == NULL) {
L2CAP_TRACE_WARNING ("L2CAP - unknown CID: 0x%04x", rcv_cid);
GKI_freebuf (p_msg);
return;
}
}
if (hci_len >= L2CAP_PKT_OVERHEAD) { /* Must receive at least the L2CAP length and CID.*/
p_msg->len = hci_len - L2CAP_PKT_OVERHEAD;
p_msg->offset += L2CAP_PKT_OVERHEAD;
} else {
L2CAP_TRACE_WARNING ("L2CAP - got incorrect hci header" );
GKI_freebuf (p_msg);
return;
}
if (l2cap_len != p_msg->len) {
L2CAP_TRACE_WARNING ("L2CAP - bad length in pkt. Exp: %d Act: %d",
l2cap_len, p_msg->len);
GKI_freebuf (p_msg);
return;
}
/* Send the data through the channel state machine */
if (rcv_cid == L2CAP_SIGNALLING_CID) {
//counter_add("l2cap.sig.rx.bytes", l2cap_len);
//counter_add("l2cap.sig.rx.pkts", 1);
#if (CLASSIC_BT_INCLUDED == TRUE)
process_l2cap_cmd (p_lcb, p, l2cap_len);
#endif ///CLASSIC_BT_INCLUDED == TRUE
GKI_freebuf (p_msg);
} else if (rcv_cid == L2CAP_CONNECTIONLESS_CID) {
//counter_add("l2cap.ch2.rx.bytes", l2cap_len);
//counter_add("l2cap.ch2.rx.pkts", 1);
/* process_connectionless_data (p_lcb); */
STREAM_TO_UINT16 (psm, p);
L2CAP_TRACE_DEBUG( "GOT CONNECTIONLESS DATA PSM:%d", psm ) ;
#if (L2CAP_UCD_INCLUDED == TRUE)
/* if it is not broadcast, check UCD registration */
if ( l2c_ucd_check_rx_pkts( p_lcb, p_msg ) ) {
/* nothing to do */
} else
#endif
GKI_freebuf (p_msg);
}
#if (BLE_INCLUDED == TRUE)
else if (rcv_cid == L2CAP_BLE_SIGNALLING_CID) {
//counter_add("l2cap.ble.rx.bytes", l2cap_len);
//counter_add("l2cap.ble.rx.pkts", 1);
l2cble_process_sig_cmd (p_lcb, p, l2cap_len);
GKI_freebuf (p_msg);
}
#endif
#if (L2CAP_NUM_FIXED_CHNLS > 0)
else if ((rcv_cid >= L2CAP_FIRST_FIXED_CHNL) && (rcv_cid <= L2CAP_LAST_FIXED_CHNL) &&
(l2cb.fixed_reg[rcv_cid - L2CAP_FIRST_FIXED_CHNL].pL2CA_FixedData_Cb != NULL) ) {
//counter_add("l2cap.fix.rx.bytes", l2cap_len);
//counter_add("l2cap.fix.rx.pkts", 1);
/* If no CCB for this channel, allocate one */
if (p_lcb &&
/* only process fixed channel data when link is open or wait for data indication */
(p_lcb->link_state != LST_DISCONNECTING) &&
l2cu_initialize_fixed_ccb (p_lcb, rcv_cid, &l2cb.fixed_reg[rcv_cid - L2CAP_FIRST_FIXED_CHNL].fixed_chnl_opts)) {
p_ccb = p_lcb->p_fixed_ccbs[rcv_cid - L2CAP_FIRST_FIXED_CHNL];
if (p_ccb->peer_cfg.fcr.mode != L2CAP_FCR_BASIC_MODE) {
#if (CLASSIC_BT_INCLUDED == TRUE)
l2c_fcr_proc_pdu (p_ccb, p_msg);
#endif ///CLASSIC_BT_INCLUDED == TRUE
} else
(*l2cb.fixed_reg[rcv_cid - L2CAP_FIRST_FIXED_CHNL].pL2CA_FixedData_Cb)
(rcv_cid, p_lcb->remote_bd_addr, p_msg);
} else {
GKI_freebuf (p_msg);
}
}
#endif
else {
//counter_add("l2cap.dyn.rx.bytes", l2cap_len);
//counter_add("l2cap.dyn.rx.pkts", 1);
if (p_ccb == NULL) {
GKI_freebuf (p_msg);
} else {
/* Basic mode packets go straight to the state machine */
if (p_ccb->peer_cfg.fcr.mode == L2CAP_FCR_BASIC_MODE) {
#if (CLASSIC_BT_INCLUDED == TRUE)
l2c_csm_execute (p_ccb, L2CEVT_L2CAP_DATA, p_msg);
#endif ///CLASSIC_BT_INCLUDED == TRUE
} else {
/* eRTM or streaming mode, so we need to validate states first */
if ((p_ccb->chnl_state == CST_OPEN) || (p_ccb->chnl_state == CST_CONFIG)) {
#if (CLASSIC_BT_INCLUDED == TRUE)
l2c_fcr_proc_pdu (p_ccb, p_msg);
#endif ///CLASSIC_BT_INCLUDED == TRUE
} else {
GKI_freebuf (p_msg);
}
}
}
}
}
